#pragma once
#include<stdio.h>
#include<windows.h>
#include<stdlib.h>
#include <time.h>
#pragma warning(disable:4996)

extern void Game();//游戏代码需要定义调用的函数

#define ROW 3//FOW、FOL代表三子棋边界的长和宽
#define COL 3
#define INIT  ' ' //INIT为空格的宏定义
#define WHITE 'X' //X在三字棋代表Player
#define BLACK 'O' //O在三字棋代表Computer
#define DRAW  'D' //DRAW代表平局
#define NEXT  'N' //NEXT代表继续 //MineClearence

void InitBoard(char board[][COL], int row, int col)//棋盘初始化
{
 for (int i = 0; i < row; i++){ 
  for (int j = 0; j < col; j++){  
   board[i][j] = INIT; 
  }
 }
}
static void ShowBoard(char board[][COL], int row, int col)//显示棋盘
{
 system("cls");
 printf(" ");
 for (int i = 0; i < col; i++){ 
  printf("%4d", i + 1);
 }
 printf("\n--------------\n");
 for (int i = 0; i < row; i++){ 
  printf("%-2d", i + 1); //2 
  for (int j = 0; j < col; j++){  
   printf("| %c ", board[i][j]);  
  } 
  printf("\n--------------\n");
 }
}
static char IsEnd(char board[][COL], int row, int col)//最终结果
{
 for (int i = 0; i < row; i++){ 
  if (board[i][0] == board[i][1] &&  
   board[i][1] == board[i][2] &&  
   board[i][0] != INIT){  
   return board[i][0]; 
  }
 } 
 for (int j = 0; j < COL; j++){ 
  if (board[0][j] == board[1][j] &&  
   board[1][j] == board[2][j] &&  
   board[0][j] != INIT){  
   return board[0][j]; 
  }
 }
 if (board[0][0] == board[1][1] && 
  board[1][1] == board[2][2] && 
  board[1][1] != INIT){ 
  return board[1][1]; }
 if (board[0][2] == board[1][1] && 
  board[1][1] == board[2][0] && 
  board[1][1] != INIT){ 
  return board[1][1]; }
 for (int i = 0; i < row; i++){ 
  for (int j = 0; j < col; j++){  
   if (board[i][j] == INIT){   
    return NEXT;  
   } 
  }
 }
 return DRAW;
}
static void PlayerMove(char board[][COL], int row, int col)//玩家
{ int x = 0; int y = 0;
 while (1){ 
 printf("Please Enter Postion<x,y># "); 
 scanf("%d %d", &x, &y); 
 if (x < 1 || y < 1 || x > 3 || y > 3){  
  printf("Enter Postion Error!\n");  
  continue; 
 } 
 if (board[x - 1][y - 1] == INIT){  
  board[x - 1][y - 1] = WHITE;  
  break;
 } 
 else{  
  printf("Postion Is Not Empty!\n"); 
 }
 }
}
static void ComputerMove(char board[][COL], int row, int col)//电脑
{
 while (1){ 
  int x = rand() % row; 
  int y = rand() % col; 
  if (board[x][y] == INIT){  
   board[x][y] = BLACK;  
   break; 
  }
 }
}
void Game()
{
 char board[ROW][COL];
 InitBoard(board, ROW, COL);
 srand((unsigned long)time(NULL));
 char result = 0;
 while (1){ 
  ShowBoard(board, ROW,COL); 
  PlayerMove(board, ROW,COL);
  result = IsEnd(board, ROW, COL);
  if (result != NEXT){ 
   break; 
  } 
  ShowBoard(board, ROW, COL); 
  ComputerMove(board,ROW, COL); 
  result = IsEnd(board, ROW,COL);
  if (result != NEXT){ 
   break;
  }
 }
  ShowBoard(board, ROW,COL);
  switch (result){
  case WHITE: 
   printf("You Win!\n");
   break;
  case BLACK: 
   printf("You Lose!\n");
   break;
  case DRAW: 
    printf("You == Computer!\n");
    break;
  default:
     printf("BUG!\n"); 
     break;
  }
}